Question

When oxygen binds to a heme-containing protein, the two open coordination bonds of Fe²⁺ are occupied by___________

a.

One O atom and one amino acid atom

b.

One O₂ molecule and one amino acid atom

c.

One O₂ molecule and one heme atom

d.

Two O atoms

Posted under Biochemistry

Answer: (b).One O₂ molecule and one amino acid atom

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Q. When oxygen binds to a heme-containing protein, the two open coordination bonds of Fe²⁺ are occupied by___________

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